TarDisk 256GB | Storage Expansion Card for MacBook Pro 13"   R13A (New MacBook Retina) Simplest way to increase onboard MacBook Storage Flush, seamless integration into SDXC slot for PCIe connection to system Storage: 256GB integrated flash memory with precision UniBody Aluminum enclosure Speed: 95MB/sec read, 90MB/sec write Fits: 13" Retina MacBook Pro (Late 2012, Early 2013, Early 2015+)